SEARCH Articles Figures Tables Effects of Processing Variables on Gas Separation by Membranes Noninteracting Particles and Separation of Variables One-dimensional finite medium and constant D, separation of variables Separate variables Separated variables Separation of Variables Method for Partial Differential Equations (PDEs) in Finite Domains Separation of Variables for Parabolic PDEs with Nonhomogeneous Boundary Conditions Separation of Variables for Parabolic PDEs with Two Flux Boundary Conditions Separation of Variables for Parabolic PDEs with an Initial Profile Separation of Variables in the Dirac Equation Separation of space and time variables Separation of the variables Separation variables Solution by Separation of Variables Start-Up Flow in a Circular Tube - Solution by Separation of Variables The Particle in a Three-Dimensional Box Separation of Variables Torsion Function Found by Separation of Variables